| Literature DB >> 6790057 |
D A Power, N Edward, G R Catto, N Muirhead, A MacLeod, J Engeset.
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Year: 1981 PMID: 6790057 PMCID: PMC1507963 DOI: 10.1136/bmj.283.6290.528
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623